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Xanthohumol and tetrahydro-isoalpha acid based protein kinase modulation cancer treatment

a technology of tetrahydroisoalpha acid and kinase, which is applied in the direction of biocide, plant/algae/fungi/lichens ingredients, drug compositions, etc., can solve the problems of inability to definitively cure, changes in the program of genes expressed in the responding cell, and inability to achieve definitive cures

Inactive Publication Date: 2008-02-28
METAPROTEOMICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0003] The present invention relates generally to methods and compositions that can be used to treat or inhibit cancers susceptible to protein kinase modulation. More specifically, the i

Problems solved by technology

This network however can become dysregulated, thereby resulting in an alteration in cellular activity and changes in the program of genes expressed within the responding cell.
Although treatments exist for many autoimmune diseases, there are no definitive cures for any of them.
Treatments to reduce the severity often have adverse side effects.
GSK3 also directly phosphorylates serine / threonine residues of insulin receptor substrate-1, which leads to impairment of insulin signaling.
A single agent approach that specifically targets one kinase or one kinase pathway may be inadequate to treat very complex diseases, conditions and disorders, such as, for example, diabetes and metabolic syndrome.

Method used

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  • Xanthohumol and tetrahydro-isoalpha acid based protein kinase modulation cancer treatment
  • Xanthohumol and tetrahydro-isoalpha acid based protein kinase modulation cancer treatment
  • Xanthohumol and tetrahydro-isoalpha acid based protein kinase modulation cancer treatment

Examples

Experimental program
Comparison scheme
Effect test

example 1

Effects of Modified Hops Components on Protein Kinases

[0142] As stated above, kinases represent transferase class enzymes that are able to transfer a phosphate group from a donor molecule (usually ATP) to an amino acid residue of a protein (usually threonine, serine or tyrosine). Kinases are used in signal transduction for the regulation of enzymes, i.e., they can inhibit or activate the activity of an enzyme, such as in cholesterol biosynthesis, amino acid transformations, or glycogen turnover. While most kinases are specialized to a single kind of amino acid residue, some kinases exhibit dual activity in that they can phosphorylate two different kinds of amino acids. As shown in FIG. 1, kinases function in signal transduction and translation.

[0143] Methods—The inhibitory effect of 10 μg RIAA / ml of the present invention on human kinase activity was tested on a panel of over 200 kinases in the KinaseProfiler™ Assay (Upstate Cell Signaling Solutions, Upstate USA, Inc., Charlottesvi...

example 2

Dose Response Effects of Hops or Acacia Components on Selected Protein Kinases

[0152] The dose responsiveness of mgRho was tested at approximately 10, 50, and 100 μg / ml on over sixty selected protein kinases according to the protocols of Example 1 are presented as Tables 2A & 2B below. The five kinases which were inhibited the most are displayed graphically as FIG. 2.

[0153] The dose responsiveness for kinase inhibition (reported as a percent of control) of a THIAA preparation was tested at approximately 1, 10, 25, and 50 ug / ml on 86 selected kinases as presented in Table 3 below. Similarly, an acacia preparation was tested at approximately 1, 5, and 25 ug / ml on over 230 selected protein kinases according to the protocols of Example 1 and are presented as Table 4 below. Preparations of isoalpha acids (IAA), heaxahydroisoalpha acids (HHIAA), beta acids, and xanthohumol were also tested at approximately 1, 10, 25, and 50 ug / ml on 86 selected kinases and the dose responsiveness results...

example 3

Effect of Hops Components on PI3K Activity

[0165] The inhibitory effect on human PI3K-β, PI3K-γ, and PI3K-γ of the hops components xanthohumol and the magnesium salts of beta acids, isoalpha acids (Mg-IAA), tetrahydro-isoalpha acids (Mg-THIAA), and hexahydro-isoalpha acids (Mg-HHIAA) were examined according to the procedures and protocols of Example 1. Additionally examined was an Acacia nilotica heartwood extract. All compounds were tested at 50 μg / ml. The results are presented graphically as FIG. 3.

[0166] It should be noted that all of the hops compounds tested showed >50% inhibition of PI3K activity with Mg-THIAA producing the greatest overall inhibition (>80% inhibition for all PI3K isoforms tested). Further note that both xanthohumol and Mg-beta acids were more inhibitory to PI3K-γ than to PI3K-β or PI3K-δ. Mg-IAA was approximately 3-fold more inhibitory to PI3K-β than to PI3K-γ or PI3K-δ. The Acacia nilotica heartwood extract appeared to stimulate PI3K-β or PI3K-δ activity. C...

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Abstract

Compounds and methods for protein kinase modulation for cancer treatment are disclosed. The compounds and methods disclosed are based on xanthohumol or isoxantohumol, or tetrahydro-isoalpha acids commonly found in hops.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This patent application is a continuation-in-part of U.S. application Ser. No. 10,464,410, filed Jun. 18, 2003, which is a continuation-in-part of U.S. application Ser. No. 10 / 400,293, filed Mar. 26, 2003, and a continuation-in-part of U.S. application Ser. No. 10 / 401,283, filed Mar. 26, 2003, both of which claim the benefit under 35 U.S.C. § 119(e) to provisional application No. 60 / 450,237, filed on Feb. 25, 2003, and provisional application No. 60 / 420,383, filed on Oct. 21, 2002; and is a continuation-in-part of U.S. patent application Ser. No. 10 / 464,834, filed Jun. 18, 2003, which is a continuation-in-part of U.S. application Ser. No. 10 / 400,293, filed Mar. 26, 2003, and a continuation-in-part of U.S. application Ser. No. 10 / 401,283, filed Mar. 26, 2003, both of which claim the benefit under 35 U.S.C. § 119(e) to provisional application No. 60 / 450,237, filed on Feb. 25, 2003, and provisional application No. 60 / 420,383, filed on Oct....

Claims

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Application Information

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IPC IPC(8): A61K31/12A61P35/00
CPCA61K31/12A61K31/122A61K36/185A61K36/53A61K2300/00A61P35/00
Inventor TRIPP, MATTHEW L.BABISH, JOHN G.BLAND, JEFFREY S.KONDA, VEERAHALL, AMYPACIORETTY, LINDA M.DESAI, ANU
Owner METAPROTEOMICS
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